docs: def mode(self):
          """returns an object to work with the site mode"""
          if self._resources is None:
              self.__init()
          if "mode" in self._resources:
              url = self._url + "/mode"
              return _mode.Mode(url=url,
                                securityHandler=self._securityHandler,
                                proxy_url=self._proxy_url,
                                proxy_port=self._proxy_port,
                                initialize=True)
          else:
              return None